Finding the Fourth Proportional to 17,871.24, 24,663.78 and 9,916.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,871.24 : 24,663.78 = 9,916.02 : x
2. Step 2: Convert to fraction form
   17,871.24/24,663.78 = 9,916.02/x
3. Step 3: Cross multiply
   17,871.24x = 24,663.78 × 9,916.02
4. Step 4: Simplify right side
   17,871.24x = 244,566,535.76
5. Step 5: Solve for x
   x = 244,566,535.76/17,871.24
6. Step 6: Final answer
   x = 13,684.92